Introduce a *MODE* variable that distinguishes between static and dynamic mode.

Ignore-this: fada9480007419d11bed4ab86bb06c48

darcs-hash:dd4ba6d22a835ec8db31a88de184186429733563

3 files changed, 23 insertions, 14 deletions

diff --git a/globals.lisp b/globals.lisp
index e832646..67d78b7 100644
--- a/globals.lisp
+++ b/globals.lisp
@@ -81,3 +81,7 @@
 (defparameter *if-modified-since* nil)
 (defparameter *wsse* nil)
 (defparameter *wsse-key* nil)
+
+(defparameter *mode* :http  ;either :HTTP or :FILE
+  "Whether we are serving stuff dynamically over HTTP or storing it into
+   files for later static service.")
diff --git a/journal.lisp b/journal.lisp
index b84e1a7..317f87a 100755
--- a/journal.lisp
+++ b/journal.lisp
@@ -55,9 +55,10 @@
 (defun show-comment-feed ()
   #.(locally-enable-sql-reader-syntax)
   (revalidate-cache-or-die "application/atom+xml; charset=UTF-8")
-  (http-add-header "Last-Modified" (http-timestamp (compute-journal-last-modified-date)))
-  (http-add-header "Content-Language" "de")
-  (http-send-headers "application/atom+xml; charset=UTF-8")
+  (when (eq *mode* :http)
+    (http-add-header "Last-Modified" (http-timestamp (compute-journal-last-modified-date)))
+    (http-add-header "Content-Language" "de")
+    (http-send-headers "application/atom+xml; charset=UTF-8"))
 
   (flet ((atom-time (time)
            (format-date nil
@@ -128,9 +129,10 @@
 (defun show-atom-entry ()
   #.(locally-enable-sql-reader-syntax)
   (revalidate-cache-or-die "application/atom+xml; charset=UTF-8")
-  (http-add-header "Last-Modified" (http-timestamp (compute-journal-last-modified-date)))
-  (http-add-header "Content-Language" "de")
-  (http-send-headers "application/atom+xml; charset=UTF-8")
+  (when (eq *mode* :http)
+    (http-add-header "Last-Modified" (http-timestamp (compute-journal-last-modified-date)))
+    (http-add-header "Content-Language" "de")
+    (http-send-headers "application/atom+xml; charset=UTF-8"))
 
   (with-xml-output (*standard-output* :encoding "utf-8")
     (show-atom-entry-xml (find-entry *post-number*) :full-content t :include-edit-links t)))
@@ -184,9 +186,10 @@
 (defun show-atom-feed (&key include-edit-links full-content)
   #.(locally-enable-sql-reader-syntax)
   (revalidate-cache-or-die "application/atom+xml; charset=UTF-8")
-  (http-add-header "Last-Modified" (http-timestamp (compute-journal-last-modified-date)))
-  (http-add-header "Content-Language" "de")
-  (http-send-headers "application/atom+xml; charset=UTF-8")
+  (when (eq *mode* :http)
+    (http-add-header "Last-Modified" (http-timestamp (compute-journal-last-modified-date)))
+    (http-add-header "Content-Language" "de")
+    (http-send-headers "application/atom+xml; charset=UTF-8"))
 
   (flet ((atom-time (time)
            (format-date nil
@@ -413,10 +416,11 @@
   ;;       termination, which makes generating a Last-Modified header
   ;;       feel slower to the end user rather than faster.
   ;;
-  (http-add-header "Last-Modified" (http-timestamp (compute-journal-last-modified-date)))
-  (http-add-header "Content-Language" "de")
-  (http-add-header "Cache-Control" "public")
-  (http-send-headers "text/html; charset=UTF-8")
+  (when (eq *mode* :http)
+    (http-add-header "Last-Modified" (http-timestamp (compute-journal-last-modified-date)))
+    (http-add-header "Content-Language" "de")
+    (http-add-header "Cache-Control" "public")
+    (http-send-headers "text/html; charset=UTF-8"))
 
   (<xhtml :xmlns "http://www.w3.org/1999/xhtml"
           :lang "de"
diff --git a/utils.lisp b/utils.lisp
index 4bae17e..ff24ae9 100644
--- a/utils.lisp
+++ b/utils.lisp
@@ -368,6 +368,7 @@ ELEMENT-TYPE as the stream's."
                 (excerpt-of comment))))
 
 (defun revalidate-cache-or-die (content-type)
+  (when (eq *mode* :http)
   #+clisp
     (when *if-modified-since*
       (let* ((date-recognisers (mapcar #'cybertiggyr-time::make-fmt-recognizer '("%A, %d-%B-%y %H:%M:%S GMT" "%A, %d %B %Y %H:%M:%S GMT" "%A %B %d %H:%M:%S %Y")))
@@ -380,7 +381,7 @@ ELEMENT-TYPE as the stream's."
           (http-send-headers content-type)
           (ext:quit 0))))
   #-clisp
-    nil)
+    nil))
 
 
 (defun call-with-wsse-authentication (thunk)